JPH0330806B2 - - Google Patents
Info
- Publication number
- JPH0330806B2 JPH0330806B2 JP57131366A JP13136682A JPH0330806B2 JP H0330806 B2 JPH0330806 B2 JP H0330806B2 JP 57131366 A JP57131366 A JP 57131366A JP 13136682 A JP13136682 A JP 13136682A JP H0330806 B2 JPH0330806 B2 JP H0330806B2
- Authority
- JP
- Japan
- Prior art keywords
- radar
- signal
- turbine
- gating
- vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
- G01H1/006—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines of the rotor of turbo machines
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/287,843 US4413519A (en) | 1981-07-29 | 1981-07-29 | Turbine blade vibration detection apparatus |
US287843 | 1981-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5827026A JPS5827026A (ja) | 1983-02-17 |
JPH0330806B2 true JPH0330806B2 (enrdf_load_stackoverflow) | 1991-05-01 |
Family
ID=23104590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57131366A Granted JPS5827026A (ja) | 1981-07-29 | 1982-07-29 | 振動検出装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4413519A (enrdf_load_stackoverflow) |
JP (1) | JPS5827026A (enrdf_load_stackoverflow) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4507658A (en) * | 1982-07-30 | 1985-03-26 | Westinghouse Electric Corp. | Narrow beam radar installation for turbine monitoring |
US4573358A (en) * | 1984-10-22 | 1986-03-04 | Westinghouse Electric Corp. | Turbine blade vibration detection apparatus |
US4704906A (en) * | 1986-04-10 | 1987-11-10 | Electric Power Research Institute | Dynamic air gap measuring device for use with rotating electrical machinery |
US4827435A (en) * | 1986-11-12 | 1989-05-02 | Westinghouse Electric Corp. | Blade pitch measurement apparatus and method |
US4887468A (en) * | 1988-06-03 | 1989-12-19 | Westinghouse Electic Corp. | Nonsynchronous turbine blade vibration monitoring system |
US4934192A (en) * | 1988-07-11 | 1990-06-19 | Westinghouse Electric Corp. | Turbine blade vibration detection system |
US4914953A (en) * | 1988-11-07 | 1990-04-10 | Westinghouse Electric Corp. | Turbine blade vibration monitor for non-magnetic blades |
US5206816A (en) * | 1991-01-30 | 1993-04-27 | Westinghouse Electric Corp. | System and method for monitoring synchronous blade vibration |
US5790413A (en) * | 1993-03-22 | 1998-08-04 | Exxon Chemical Patents Inc. | Plant parameter detection by monitoring of power spectral densities |
US5471880A (en) * | 1994-04-28 | 1995-12-05 | Electric Power Research Institute | Method and apparatus for isolating and identifying periodic Doppler signals in a turbine |
US5479826A (en) * | 1994-06-17 | 1996-01-02 | Westinghouse Electric Corporation | Microwave system for monitoring turbine blade vibration |
GB2322987A (en) * | 1997-03-06 | 1998-09-09 | Marconi Gec Ltd | Object detection in turbine influx or efflux |
GB2322988A (en) * | 1997-03-06 | 1998-09-09 | Marconi Gec Ltd | Damage assessment using radar |
WO2003027709A1 (de) * | 2001-09-21 | 2003-04-03 | Siemens Aktiengesellschaft | Nahbereichs-radarsensor mit phasendifferenz-messung |
DE10359930A1 (de) * | 2003-01-23 | 2004-08-05 | Siemens Ag | Verfahren zum Ermitteln der Beanspruchung von Schaufeln einer Strömungsmaschine während des Betriebs sowie entsprechende Vorrichtung zur Durchführung des Verfahrens |
EP1505374A1 (de) * | 2003-08-08 | 2005-02-09 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Störungsermittlung durch Ermittlung des Schwingungsverhaltens einer Leitschaufel |
US7215252B2 (en) * | 2004-06-16 | 2007-05-08 | Hamilton Sundstrand Corporation | Proximity sensor |
DE102006033461A1 (de) * | 2006-07-19 | 2008-01-31 | Siemens Ag | Radialspaltmessung an Turbinen |
DE102006060650A1 (de) * | 2006-12-21 | 2008-06-26 | Mtu Aero Engines Gmbh | Vorrichtung und Verfahren zur berührungslosen Schaufelschwingungsmessung |
US20090301055A1 (en) * | 2008-06-04 | 2009-12-10 | United Technologies Corp. | Gas Turbine Engine Systems and Methods Involving Vibration Monitoring |
EP2299248A1 (de) * | 2009-09-14 | 2011-03-23 | Siemens Aktiengesellschaft | Verfahren zur Ermittlung von Rissen in Turbinenschaufeln |
DE102009047761B3 (de) * | 2009-12-09 | 2011-06-16 | Areva Np Gmbh | Überwachungssystem für einen Innenraum einer Maschine |
US8256297B2 (en) * | 2010-01-05 | 2012-09-04 | General Electric Company | Systems and methods for measuring turbine blade vibratory response |
US9041594B2 (en) * | 2010-05-24 | 2015-05-26 | Honeywell International Inc. | RF based tracker for rotating objects |
FR2968038B1 (fr) * | 2010-11-26 | 2012-12-28 | Snecma | Systeme de detection d'un evenement fugace sur une roue aubagee de moteur d'aeronef |
US8120522B2 (en) * | 2010-11-30 | 2012-02-21 | General Electric Company | System and method for inspecting a wind turbine blade |
CN103748473B (zh) * | 2011-03-23 | 2016-06-29 | 梅吉特有限公司 | 带叶片的转子的测量 |
US9188477B2 (en) * | 2011-08-18 | 2015-11-17 | Linear Technology Corporation | Radar system and method for providing information on movements of object's surface |
US8922203B2 (en) | 2012-01-16 | 2014-12-30 | General Electric Company | Turbomachine blade monitoring system |
EP2682722A1 (de) * | 2012-07-02 | 2014-01-08 | eesy-id GmbH | Verfahren zur Auslenkungserfassung |
US9063033B2 (en) * | 2013-03-12 | 2015-06-23 | Solar Turbines Incorporated | Sensor housing for use with gas turbine engines |
US9453500B2 (en) | 2013-03-15 | 2016-09-27 | Digital Wind Systems, Inc. | Method and apparatus for remote feature measurement in distorted images |
US9395337B2 (en) | 2013-03-15 | 2016-07-19 | Digital Wind Systems, Inc. | Nondestructive acoustic doppler testing of wind turbine blades from the ground during operation |
US9194843B2 (en) | 2013-03-15 | 2015-11-24 | Digital Wind Systems, Inc. | Method and apparatus for monitoring wind turbine blades during operation |
US9330449B2 (en) | 2013-03-15 | 2016-05-03 | Digital Wind Systems, Inc. | System and method for ground based inspection of wind turbine blades |
US9574965B2 (en) * | 2014-06-24 | 2017-02-21 | General Electric Company | System and method of determining bearing health in a rotating machine |
US9810098B2 (en) | 2014-07-11 | 2017-11-07 | General Electric Company | System and method for inspecting turbomachines |
US9988925B2 (en) * | 2014-12-19 | 2018-06-05 | Siemens Energy, Inc. | Laser measurement system for detecting turbine blade lockup |
JP6746700B2 (ja) * | 2015-12-11 | 2020-08-26 | ゼネラル・エレクトリック・カンパニイ | ガスタービンのブレードフラッタ制御システム及び、ブレードフラッタ制御システムのプロセッサによって実行されるように構成された命令を含む非一時的コンピュータ可読媒体 |
US10705198B2 (en) * | 2018-03-27 | 2020-07-07 | Infineon Technologies Ag | System and method of monitoring an air flow using a millimeter-wave radar sensor |
WO2022159523A1 (en) * | 2021-01-19 | 2022-07-28 | Massachusetts Institute Of Technology | Sensing modes for non-invasive faults diagnosis of rotating shafts |
US12359588B1 (en) * | 2024-08-02 | 2025-07-15 | General Electric Company | Aircraft engine aeromechanical instability detection |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1120709B (de) * | 1958-06-04 | 1961-12-28 | Daimler Benz Ag | Verfahren und Vorrichtungen zur Messung von Schaufelschwingungen, insbesondere bei Strahltriebwerken |
US3058339A (en) * | 1958-09-02 | 1962-10-16 | Curtiss Wright Corp | Vibration detector and measuring instrument |
US3597963A (en) * | 1969-07-25 | 1971-08-10 | Skoda Np | Appratus for switching pulses in measuring the vibration of rotating parts during operation of a machine |
US3705516A (en) * | 1971-09-30 | 1972-12-12 | Northrop Corp | Method and apparatus for testing the condition of a machine |
US3733892A (en) * | 1972-04-03 | 1973-05-22 | Northrop Corp | Synchronous vibrational analyzer for rotating machinery |
DE2241436B2 (de) * | 1972-08-23 | 1980-12-04 | Udo Dipl.-Kfm. Dr. 6148 Heppenheim Peter | Einrichtung zur Messung der Schwingungen und Lage der Läufer von Rotationsmaschinen |
SE383046B (sv) * | 1973-11-12 | 1976-02-23 | G Hellgren | Anordning for indikering av ett foremals legesforendringar |
US3879988A (en) * | 1973-12-19 | 1975-04-29 | Gen Electric | Optical comparator for measuring vibration on a rotating object |
US3929008A (en) * | 1974-12-31 | 1975-12-30 | Boris Nikolaevich Zlotin | Apparatus for measuring amplitude of vibration of rotating machine parts |
US4060329A (en) * | 1975-10-23 | 1977-11-29 | General Electric Company | Method and apparatus for measuring deflection of rotating airfoils |
CH609775A5 (enrdf_load_stackoverflow) * | 1976-04-30 | 1979-03-15 | Sulzer Ag | |
US4080823A (en) * | 1976-11-05 | 1978-03-28 | United Technologies Corporation | Vibration measurement |
SU949342A1 (ru) * | 1977-12-05 | 1982-08-07 | Специальное Опытное Проектно-Конструкторско-Технологическое Бюро Сибирского Отделения Всесоюзной Ордена Ленина Академии Сельскохозяйственных Наук Им.В.И.Ленина | Способ определени дефектов у объектов циклического действи и устройство дл его осуществлени |
JPS55140117A (en) * | 1979-04-18 | 1980-11-01 | Natl Aerospace Lab | Measuring apparatus for vibration of rotating vane |
US4346383A (en) * | 1979-08-04 | 1982-08-24 | Emi Limited | Checking the location of moving parts in a machine |
DE3050608A1 (de) * | 1980-10-10 | 1982-11-04 | Franklin Institute | Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine |
US4335600A (en) * | 1980-11-13 | 1982-06-22 | General Electric Company | Detecting internal abnormalities in turbines |
-
1981
- 1981-07-29 US US06/287,843 patent/US4413519A/en not_active Expired - Lifetime
-
1982
- 1982-07-29 JP JP57131366A patent/JPS5827026A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4413519A (en) | 1983-11-08 |
JPS5827026A (ja) | 1983-02-17 |
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